Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have No O₂ in flue gas CO in flue gas None of these High excess air No O₂ in flue gas CO in flue gas None of these High excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, The fan operates hot and hence blades are liable to corrosion and erosion Positive pressure exists in the furnace None of these Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced The fan operates hot and hence blades are liable to corrosion and erosion Positive pressure exists in the furnace None of these Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heat recoverable from flue gases of furnaces depends on the Quantity of flue gases Flue gas temperature drop through the furnace All of these Thermal efficiency of furnace Quantity of flue gases Flue gas temperature drop through the furnace All of these Thermal efficiency of furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of a limestone calcination rotary kiln may be around __________ percent. 20 65 40 80 20 65 40 80 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Dampers are located Before the I.D fan Near the top of the chimney After the I.D. fan Anywhere after the I.D. fan Before the I.D fan Near the top of the chimney After the I.D. fan Anywhere after the I.D. fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 650 250 850 1000 650 250 850 1000 ANSWER DOWNLOAD EXAMIANS APP